| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | WU | Unmanned flight | | | LW | will take place | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | B | For inclusion in Preflight Infomation Bulletins | | | O | Operationally significant for IFR flights | | | / | | | Scope | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 013 | 1300 feet QNE | | | / | | | Centre Latitude | 5146N | 51° 46' North' | | Centre Longitude | 00046W | 0° 46' West | | Radius of area affected | 005 | 5 nautical miles |
| | UAS OPERATING BEYOND VISUAL LINE OF SIGHT ( BVLOS ) UTILISING VISUAL OBSERVERS ( EXTENDED LINE OF SIGHT ) WITHIN AREA BOUNDED BY 514809N 0005054W-514831N 0005002W-514804N 0004936W-514735N 0004849W-514716N 0004811W-514650N 0004715W-514610N 0004528W-514538N 0004425W-514504N 0004342W-514404N 0004240W-514313N 0004155W-514258N 0004142W-514238N 0004231W-514325N 0004318W-514431N 0004416W-514527N 0004520W-514607N 0004648W-514646N 0004835W-514730N 0005001W-514809N 0005054W ( BISHOPSTONE TO GREAT MISSENDEN ). MAXIMUM HEIGHT 500FT ABOVE GROUND LEVEL.FOR INFO 07464 713829.AR-2026-4030 / 01. |
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